High stability Mini Cobalt Drill Bits with fast drilling masonry materials

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100 pc
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100000 pc/month

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Product Description:




2.High stability

3.High speed

4.Environmental protection

5.Good processing precision



The drill bit's material have Hss,hard alloy.It is used for the  Machinery industry,  processing the metal parts,such as casting metal, steel,stainless steels,aluminium alloys and so on.


Drill bit  Features:

Use double flutes shank type for drilling in brick,concrete, cinder block and tile. The double flutes design drills twice as fast as standard shanks, and the high quality carbide tip minimizes wear and extends the life of the bit.


Diameter: from 5mm to 50mm.


Overall Length: from 110mm to 1300mm.


In combination with various types of electric hammer, the drill is one of the most efficient tools suitably and widely use for hole drilling in hard materials like concrete/brick in construction & installation industries.


Drill bit Packing type:

Skin packing, Color box package, Injection tray package, Blow case packing for set, Wood case packing for set, PVC plastic bag package, Injection case packing for set, Double blisters package, Single blister package, Sliding card package, and other required packing.


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Q:What are the detailed classifications of hardware tools?
The general is moving hand, screwdriver, hammer, chisel, inner six angle, sleeve head, Jack, hoist, electric knife, pencil, fork, sawing, file, rivet, etc.
Q:The bathroom hardware should be stainless steel or Aluminum Alloy it?
It is recommended that stainless steel, aluminum alloy is no longer strong, this is the decisive factor of material.Bathroom this thing is generally less change, durable is the absolute truth. Of course, the aluminum alloy is not so fragile, both have to choose their own, to buy their own heart should be, is the best.
Q:What are the commonly used hardware in the customized wardrobe?
The door includes a buffer buffer: positioning parts and buffer the crown, the former mounted on track, positioning and the latter with buffer effect
Q:Do you need your own hardware to buy a suit door?
When buying a suit door, to negotiate many matters and businesses, such as with the door which supporting hardware, such as: the hinge hinge is to be matched, sometimes it is recommended that you use the supporting businesses better, much to the other foreign price etc.. Then there is the door lock, usually several locks, let you choose, in addition to collecting fees.
Q:Hardware accessories, hardware is the same?
It's almost like this, but it's a lot of different kinds
Q:Does hardware affect the tightness of doors and windows?
Wind is one of the major climatic factors in the design of doors and windows. Wind is the motive force of doors and windows deformation, damage, cold air infiltration, rain seepage, and blocking entry into buildings. Therefore, the performance of building doors and windows has the requirements of wind pressure resistance, air tightness and water tightness.Building doors and windows because of the different geographical position, the height of buildings of different factors and the installation of doors and windows position may have positive pressure, negative pressure or positive and negative wind pressure alternation, when subjected to wind pressure is large it may cause serious deformation, broken glass, doors and windows hardware damage, cause the sash fall phenomenon caused by accidents, especially the typhoon area, should pay more attention to high-rise building outside the window due to wind load damage problem.
Q:How to buy some ardware
Choose hardware accessories, depending on the material and workmanshipProfessionals said that the general hardware fittings mainly copper, aluminum alloy, stainless steel and iron four kinds of materials, the price is also very different. At present, home decoration is the most use of stainless steel hardware, but stainless steel materials exist impure, easy to print water stains and other shortcomings, and now many families began to use aluminum alloy parts
Q:Want to know the function and choice of cabinet hardware parts
Hardware accessories include handle, sink, bowl basket, seasoning basket, rice box, hook, etc., the overall function is placed in these things, you in the choice, should choose to be durable, high temperature, damp proof, waterproof, easy cleaning products, some of the food you will if you put them in the kitchen. The bad things will lead to food hygiene, long-term use of the human body is not good, the installation should also pay attention to their position, this is very important work in the kitchen was very busy, the installation location is not good, is not convenient to use will affect your mood to cook.This is since I do ambry experience, I hope useful to you (* o *).
Q:What is suitcase hardware? Do you know?
According to the product category specific points have bars, small wheels, mushrooms nails, nail, foot nail, hollow nails, corns, pull head, D buckle, dog buckle, belt buckle, needle, chain, coil, locks, magnetic buttons, all kinds of trademark and decorative hardware. All kinds of hardware are divided according to function or shape. And all kinds of hardware accessories also have a lot of specifications.
Q:Does hardware include plumbing, building materials?
Hardware is divided into:Lock(1) exterior door lock (2) lock (3) lock the drawer (4) ball type door lock (5) glass window lock electronic lock (6) (7) (8) chain lock anti-theft lock (9) lock the bathroom (10) (11) number lock padlock lock body (12) (13 lock core)Handle Class(1) drawer handle (2), door handle (3), glass door handleDoors and windows(1) glass hinge: hinge, hinge, hinge corner bearings (copper and steel), pipe hinge (2) hinge shaft hinge, hinge torque: Heaven and earth (3) track: drawer track, sliding door track, folding door track, hidden door track, arc track, hanging wheel, glass pulley (4) bolt (light and dark) (5) (6) suction gate (7) spring (8) door closers (9) (10) (11) mirror plate pin (12) anti-theft buckle (13) layer (copper, aluminum and PVC) (14), magnetic bead beadFamily decoration(1) the universal wheel (2) cabinet legs (3) door (4) nasal duct (5) stainless steel trash (6) metal hanging brace (7) plug (8) curtain rod (copper, wood) (9) (plastic, steel curtain rod rings (10) (seal) 11) lifting clothes hanger hook, a hanger (12)

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